1 files changed, 31 insertions, 0 deletions
diff --git a/dom/webgpu/tests/cts/checkout/src/webgpu/shader/execution/expression/call/builtin/sign.cache.ts b/dom/webgpu/tests/cts/checkout/src/webgpu/shader/execution/expression/call/builtin/sign.cache.ts
new file mode 100644
index 0000000000..09f4de19ac
--- /dev/null
+++ b/dom/webgpu/tests/cts/checkout/src/webgpu/shader/execution/expression/call/builtin/sign.cache.ts
@@ -0,0 +1,31 @@
+import { abstractInt, i32 } from '../../../../../util/conversion.js';
+import { FP } from '../../../../../util/floating_point.js';
+import { fullI32Range, fullI64Range } from '../../../../../util/math.js';
+import { makeCaseCache } from '../../case_cache.js';
+
+// Cases: [f32|f16|abstract]
+const fp_cases = (['f32', 'f16', 'abstract'] as const)
+  .map(trait => ({
+    [`${trait === 'abstract' ? 'abstract_float' : trait}`]: () => {
+      return FP[trait].generateScalarToIntervalCases(
+        FP[trait].scalarRange(),
+        'unfiltered',
+        FP[trait].signInterval
+      );
+    },
+  }))
+  .reduce((a, b) => ({ ...a, ...b }), {});
+
+export const d = makeCaseCache('sign', {
+  ...fp_cases,
+  i32: () =>
+    fullI32Range().map(i => {
+      const signFunc = (i: number): number => (i < 0 ? -1 : i > 0 ? 1 : 0);
+      return { input: [i32(i)], expected: i32(signFunc(i)) };
+    }),
+  abstract_int: () =>
+    fullI64Range().map(i => {
+      const signFunc = (i: bigint): bigint => (i < 0n ? -1n : i > 0n ? 1n : 0n);
+      return { input: [abstractInt(i)], expected: abstractInt(signFunc(i)) };
+    }),
+});